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* tests/regression.at (Invalid input): New.

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* src/lex.c (lex): Be sure to set `token_buffer' in any case.
Reported by Shura.
This commit is contained in:
Akim Demaille
2001-10-02 15:52:24 +00:00
parent d8b1af2801
commit f1394282f0
3 changed files with 39 additions and 2 deletions
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6
ChangeLog
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@@ -1,3 +1,9 @@
2001-10-02 Akim Demaille <akim@epita.fr>
* tests/regression.at (Invalid input): New.
* src/lex.c (lex): Be sure to set `token_buffer' in any case.
Reported by Shura.
2001-10-02 Akim Demaille <akim@epita.fr>
* tests/calc.at: Now that --debug works, the tests must be adjusted.

13
src/lex.c
View File

@@ -469,32 +469,40 @@ lex (void)
}
case ',':
token_buffer = ",";
return tok_comma;
case ':':
token_buffer = ":";
return tok_colon;
case ';':
token_buffer = ";";
return tok_semicolon;
case '|':
token_buffer = "|";
return tok_bar;
case '{':
token_buffer = "{";
return tok_left_curly;
case '=':
obstack_1grow (&token_obstack, c);
do
{
c = getc (finput);
obstack_1grow (&token_obstack, c);
if (c == '\n')
lineno++;
}
while (c == ' ' || c == '\n' || c == '\t');
obstack_1grow (&token_obstack, '\0');
token_buffer = obstack_finish (&token_obstack);
if (c == '{')
{
token_buffer = "={";
return tok_left_curly;
}
else
@@ -511,6 +519,9 @@ lex (void)
return parse_percent_token ();
default:
obstack_1grow (&token_obstack, c);
obstack_1grow (&token_obstack, '\0');
token_buffer = obstack_finish (&token_obstack);
return tok_illegal;
}
}

22
tests/regression.at
View File

@@ -74,7 +74,7 @@ AT_CLEANUP([union.*])
AT_SETUP([%union and C comments])
AT_DATA([union-comment.y],
[%union
[%union
{
/* The int. */ int integer;
/* The string. */ char *string ;
@@ -87,3 +87,23 @@ AT_CHECK([bison union-comment.y])
AT_CHECK([fgrep '//*' union-comment.tab.c], [1], [])
AT_CLEANUP([union-comment.*])
## --------------- ##
## invalid input. ##
## --------------- ##
AT_SETUP([Invalid input])
AT_DATA([input.y],
[[%%
?
]])
AT_CHECK([bison input.y], [1], [],
[input.y:2: invalid input: `?'
input.y:3: fatal error: no rules in the input grammar
])
AT_CLEANUP